NXP Semiconductors MPC5777M - Page 60

MPC5777M Microcontroller Data Sheet, Rev. 6
Electrical characteristics
NXP Semiconductors60
Z
DIFF
D Differential Input
impedance
1213
GAIN=1 1000 1250 1500 k
GAIN=2 600 800 1000
GAIN=4 300 400 500
GAIN=8 200 250 300
GAIN=16 200 250 300
Z
CM
D Common Mode Input
impedance
14 15
GAIN=1 1400 1800 2200 k
GAIN=2 1000 1300 1600
GAIN=4 700 950 1150
GAIN=8 500 650 800
GAIN=16 500 650 800
R
BIAS
D Bare Bias resistance — 110 144 180 k
V
INTCM
D common mode input
reference voltage
16
—-12—+12%
V
BIAS
CC Bias voltage — — V
DD_HV_
ADR_D
/2
—V
V
BIAS
CC Bias voltage accuracy — –2.5 — +2.5 %
V
cmrr
SR Common mode
rejection ratio
—54——dB
R
Caaf
SR Anti-aliasing filter External series resistance — — 20 k
CC Filter capacitances 180 — — pF
f
PASSBAND
CC Pass band
17
— 0.01 — 0.333 *
f
ADCD_S
kHz

RIPPLE
CC Pass band ripple
18
0.333 * f
ADCD_S
–1 — 1 %
F
rolloff
CC Stop band attenuation [0.5 * f
ADCD_S
, 1.0 * f
ADCD_S
]40— —dB
[1.0 * f
ADCD_S
, 1.5 * f
ADCD_S
]45— —
[1.5 * f
ADCD_S
, 2.0 * f
ADCD_S
]50— —
[2.0 * f
ADCD_S
, 2.5 * f
ADCD_S
]55— —
[2.5 * f
ADCD_S
, f
ADCD_M
/2] 60 — —
Table 28. SDn ADC electrical specification
1
(continued)
Symbol Parameter Conditions
Value
Unit
Min Typ Max